import com.mysql.jdbc.Connection;
import com.mysql.jdbc.jdbc2.optional.MysqlDataSource;

import javax.sql.DataSource;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.Scanner;

public class Demo1 {
    public static void main(String[] args) throws SQLException {
        Scanner scanner = new Scanner(System.in);

        System.out.println("请输入学号");
        int id=scanner.nextInt();

        System.out.println("请输入姓名");
        String name=scanner.next();

        //1.创建datasource
        DataSource dataSource= new MysqlDataSource();
        ((MysqlDataSource)dataSource).setURL("jdbc:mysql://127.0.0.1:3306/java109?characterEncoding=utf8&useSSL=false");
        ((MysqlDataSource)dataSource).setUser("root");
        ((MysqlDataSource)dataSource).setPassword("hhxxttxs.lj");
        //2.建立和数据库服务器之间的通信
        Connection connection = (Connection) dataSource.getConnection();
        //3.构造sql
        String sql="insert into student values(?,?)";

        PreparedStatement statement= connection.prepareStatement(sql);
        statement.setInt(1,id);
        statement.setString(2,name);
        // 4把sql发给服务器,返回值是一个整数表示影响到的行数
        int n= statement.executeUpdate();
        System.out.println("n="+n);
        //5.释放资源关闭连接
        statement.close();
        connection.close();
    }
}
